Cups to Liters Converter
Enter the volume in cups below to convert it to liters.
Convert Cups (US) to Liters
Enter a value in cups (us) (cup) to convert to liters (L).
Cup to Liter Conversion Table
Table showing various cup measurements converted to liters. Click any preset value or arrow to load it into the converter.
| Cups (US) (cup) | Liters (L) |
|---|---|
| 1 cup | 0.2365882 L |
| 2 cup | 0.4731765 L |
| 4 cup | 0.9463529 L |
| 5 cup | 1.1829412 L |
| 8 cup | 1.8927059 L |
| 10 cup | 2.3658824 L |
| 15 cup | 3.5488235 L |
| 20 cup | 4.7317647 L |
| 25 cup | 5.9147059 L |
| 30 cup | 7.0976471 L |
How to Convert Cups to Liters
To convert cups to liters, multiply the volume by the following conversion ratio: 0.2365882 liters/cup.
Since one cup is equal to 0.2365882 liters, you can use this simple formula to convert:
The volume in liters is equal to the volume in cups multiplied by 0.2365882.
For example, here's how to convert 4 cups to liters using the formula above.
How Many Liters Are in a Cup?
There are 0.2365882 liters in a cup, which is why we use this value in the formula above.
Our cup to liter calculator automatically converts your volume measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Cups and liters are both units used to measure volume. Keep reading to learn more about each unit.
What Is a Cup?
A cup is a unit of volume equal to 0.2365882 liters (L), the base unit for volume. Equal to 8 US fluid ounces or 16 US tablespoons (236.59 mL). [1]
The cup is classified as a US customary unit of volume. Cups can be abbreviated as cup; for example, 1 cup can be written as 1 cup.
When working with cups (cup) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, cups (cup) are widely used across standard volume applications within US customary workflows, engineering documentation, and technical data sheets.
What Is a Liter?
Metric unit of volume equal to 1 cubic decimeter (1,000 mL). It serves as a primary reference unit for measuring volume across scientific and practical applications. [2]
The liter is classified as a metric and SI-compatible unit of volume. Liters can be abbreviated as L; for example, 1 liter can be written as 1 L.
As the primary coherent reference unit for volume in this category, all other volume units are mathematically anchored to the liter (L).
In practice, liters (L) are widely used across standard volume applications within SI metric workflows, engineering documentation, and technical data sheets.
When converting volume between cups (cup) and liters (L), keep full floating-point precision (1 cup = 0.2365882 L; 1 L = 4.2267528 cup) during intermediate calculations and round only the final liter figure to match your instrument tolerance.
More Cup & Liter Conversions
Need to calculate in the opposite direction? Use our liters to cups (us) converter (L to cup) to switch your starting unit immediately. You can also explore related tools such as converting gallons (us) to liters, converting quarts (us) to liters, or converting cups (us) to tablespoons (us).
Convert from Cups
Weight and volume require ingredient density (g/mL). Choose a USDA FoodData Central verified ingredient below:
Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Volume)·Volume & Liquid Metrology Standard — Cups (US) (cup) to Liters (L)
- [2]NIST HB 44 SpecificationNIST HB 44 (Liquid & Dry Capacity Tables)·Unit Specifications: Cup (US Customary) (cup) & Liter (L)
- [3]NIST SP 811 ReferenceNIST SP 811 (NIST SP 811 App. B.9)·Conversion Factors & Mathematical Basis (cup to L)